Alarm in Constantí: dangerous tropospheric ozone exceedance this May 28
Tropospheric ozone has exceeded alert levels in Constantí, reaching the concerning figure of more than 180 µg/m³. This event was recorded today, May 28, 2026, at 11 a.m. at the Gaudí measurement point.
The affected area is Camp de Tarragona, according to a statement from the Valls City Council via its official networks. This indicator warns that air quality has significantly worsened, with possible repercussions for health and the environment.
What is tropospheric ozone and why is it worrying?
Definition and origin
Tropospheric ozone is a pollutant formed in the lower atmosphere through photochemical reactions between nitrogen oxides and volatile organic compounds, mainly due to human activity and meteorological conditions.
Health and environmental impacts
High ozone levels can cause respiratory irritation, worsen lung diseases, and affect vegetation. Addressing this exceedance is key to avoiding short- and long-term problems.
Details of the alert in Constantí
Magnitude of the exceedance and exact time
The recorded concentration was above 180 µg/m³, exceeding the information threshold established to alert the population. This record occurred at 11 a.m. (09 UTC) on May 28, according to the Valls City Council.
Area of influence and measurement points
The measurement point is Gaudí, which is part of the air quality control network of Camp de Tarragona, an area that has often suffered from atmospheric pollution problems.
Recommendations and official monitoring
What to do in response to this ozone level?
- Avoid intense physical activities outdoors, especially for children, the elderly, and people with respiratory issues.
- Reduce private vehicle use to lower emissions.
- Follow the instructions of official bodies and stay alert for possible updates.
Actions by local authorities
The Valls City Council has immediately alerted the population and continues constant monitoring of air quality. This type of information serves to prepare measures and prevent the situation from worsening.
Situations like this highlight the vulnerability of Camp de Tarragona to episodes of atmospheric pollution. Only time will tell if the air will soon return to normal.
Source of the article: Valls City Council
